CN106006772B - A kind of integrated processing method of multichannel connection pumping filling for polluting water and soil in-situ immobilization - Google Patents
A kind of integrated processing method of multichannel connection pumping filling for polluting water and soil in-situ immobilization Download PDFInfo
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- CN106006772B CN106006772B CN201610378362.3A CN201610378362A CN106006772B CN 106006772 B CN106006772 B CN 106006772B CN 201610378362 A CN201610378362 A CN 201610378362A CN 106006772 B CN106006772 B CN 106006772B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 239000002689 soil Substances 0.000 title claims abstract description 38
- 238000003672 processing method Methods 0.000 title claims abstract description 17
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 15
- 238000005086 pumping Methods 0.000 title claims description 7
- 238000011049 filling Methods 0.000 title description 8
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000003814 drug Substances 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 10
- 230000008439 repair process Effects 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003657 drainage water Substances 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The multichannel that the invention discloses a kind of for polluting water and soil in-situ immobilization, which is connected to take out, fills integrated processing method, it is characterized in that the treating method comprises following steps: within the scope of contaminated site, lay several row's well-point pipes, one end of each well-point pipe in same row is connected with athwartship leg, and the input terminal of the athwartship leg has flowing water Valve with recharge valve, output end；The input terminal of each athwartship leg is connected with backflow device, output end is connected with captation；When draw water operation when, close the recharge valve, open the flowing water Valve, start the captation through the well-point pipe and pump drainage water is carried out to pollution water and soil；When carrying out recharge operation, opens the recharge valve, closes the flowing water Valve, start the backflow device and enter to pollute in water and soil through the well-point pipe recharge by clear water or medicament.It is an advantage of the invention that the processing method integrates and draws water and recharge, treatment effeciency height is, it can be achieved that fine-grained management.
Description
Technical field
The invention belongs to pollute water and soil recovery technique field, and in particular to a kind of for polluting the multichannel of water and soil in-situ immobilization
Connection, which is taken out, fills integrated processing method.
Background technique
With the arrival of China's Period, most cities start to carry out land transformation, and original industrial enterprise moves out, and stays
The palm fibre ground largely polluted in various degree down, adversely affects to the secondary development in soil, brings huge health and life
State environmental risk, while the safety of the infrastructure such as corresponding building can also be had some impact on, carry out soil thus
And the prevention and control of underground water become more and more important with improvement.
Four major class: physical method, chemical method, bioanalysis are broadly divided into for the repairing and treating method of soil and groundwater at present
And combination method, specific recovery technique type is more, including the extracting of solidification and stabilization, gas phase, elution technique, thermal desorption and plant
Or microorganism remediation etc..It is divided into in-situ immobilization and showering according to disposal options, but is driven into soil or underground moisture
Row is administered, and application of traditional underground water pump-and-treat technology in the integration of pollution water and soil is repaired increasingly is closed
Note, and unidirectional extraction, unidirectional injection are evolved as, and extraction injects the various technologies combined with medicament；But the technology
There are still extractions to cause surface subsidence, and soil consolidation, medicament injection is not in place, treatment effeciency is low, consuming is a large amount of manually, effect is difficult
The problems such as to guarantee.
Summary of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide one kind for polluting water and soil in-situ immobilization
Multichannel connection take out and fill integrated processing method, the processing method by the both ends in athwartship leg be separately connected backflow device and
Captation, to realize pumping when carrying out in-situ immobilization to pollution water and soil, fill integrated treatment.
The object of the invention realization is completed by following technical scheme:
A kind of integrated processing method of multichannel connection pumping filling for polluting water and soil in-situ immobilization, it is characterised in that the processing
Method includes the following steps: within the scope of contaminated site, lays several row's well-point pipes, one of each well-point pipe in same row
End is connected with athwartship leg, and the input terminal of the athwartship leg has flowing water Valve with recharge valve, output end；By each institute
The input terminal for stating athwartship leg is connected with backflow device, output end is connected with captation；When draw water operation when, close
It closes the recharge valve, open the flowing water Valve, start the captation and pollution water and soil is taken out through the well-point pipe
Draining；When carrying out recharge operation, opens the recharge valve, closes the flowing water Valve, starting the backflow device will be clear
Water or medicament enter to pollute in water and soil through the well-point pipe recharge.
Water proof barrier is provided with except the contaminated site range.
The both ends of the athwartship leg are respectively arranged with flowmeter and pressure gauge.
The upper end of each well-point pipe is also equipped with flowing water Valve, and the flowing water Valve is water sampling valve.
The input terminal of the athwartship leg is connected through water delivery main pipe with the backflow device, sets in the water delivery main pipe
Put back into filling main valve.
There is pumping installations, the recharge valve of the athwartship leg input terminal is circumscribed with pressurization for one in the backflow device
The three-way valve of device.
According to the actual repair situation of contaminated site range, the recharge is opened on the athwartship leg in corresponding row
Valve closes the flowing water Valve, and the well-point pipe in accordingly arranging is made to carry out recharge operation；The transverse direction in remaining row
The recharge valve is closed on branch pipe, opens the flowing water Valve, and the well-point pipe in remaining row is made to carry out operation of drawing water.
According to the actual repair situation of contaminated site range, the water outlet in the well-point pipe not up to repaired and required is opened
Valve simultaneously closes the flowing water Valve in the well-point pipe that remaining reaches reparation requirement, is wanted by opening and closing described not up to repair
The recharge valve and flowing water Valve on the athwartship leg where the well-point pipe asked, to carry out recharge and the work that draws water
Industry.
It is an advantage of the invention that (1), compared to traditional artificial single injection recharge, the processing method efficiency is higher, save
A large amount of manpowers, and can be run with round-the-clock；(2) processing method, which integrates, draws water and recharge is, it can be achieved that well-point pipe floral tube
The backwash of section outside filtrate, guarantees continuing for its treatment effeciency；(3) system operatio is flexible, can respectively by valve into
The single well-point pipe of row, the control and management of even single well point return pipe；(4) treatment effect and processing cost are lower, especially right
There are the pollution effects that homogenize of certain area preferable, by effluent quality dynamic adjustment processing region range, reduce it gradually,
More targetedly, the waste of low level management bring medicament is saved, fine-grained management is realized.
Detailed description of the invention
Fig. 1 is that the integrated processing system schematic diagram of filling is taken out in multichannel connection in the present invention；
Fig. 2 is that the integrated processing system diagrammatic cross-section of filling is taken out in multichannel connection in the present invention.
Specific embodiment
Feature of the invention and other correlated characteristics are described in further detail by embodiment below in conjunction with attached drawing, with
Convenient for the understanding of technical staff of the same trade:
Such as Fig. 1-2, label 1-13 is respectively as follows: backflow device 1, recharge main valve 2, flowmeter 3, pressure gauge 4, recharge valve in figure
Door 5, vacuum pump 7, flowing water Valve 8, water delivery main pipe 9, athwartship leg 10, water proof barrier 11, charge for remittance main pipe 12, catchments at well-point pipe 6
Device 13.
Embodiment: as shown in Figure 1, 2, the present embodiment is connected to more particularly to a kind of multichannel for polluting water and soil in-situ immobilization
It takes out and fills integrated processing method, which includes the following steps:
(1) contaminated sites range is determined according to preliminary investigation data, and divide the class of pollution, for key area, such as Fig. 1
It is shown, a circle water proof barrier 11 is laid in its periphery, and repair process is carried out with independent isolation；
(2) in the range of water proof barrier 11 is drawn a circle to approve, several row's well-point pipes 6 are laid, it is each to arrange well-point pipe 6 as shown in Figure 1
Dislocation arrangement is carried out, so that the sphere of action of well-point pipe 6 can cover all contaminated sites, and well-point pipe 6 lays range
To exceed the distance of process range boundary at least row's well-point pipe 6；As shown in Fig. 2, well-point pipe 6 is a water-filtering well tube, outside it
Gravel is filled out to be long-acting in side, and drawing water, it is appropriate to need, and prevent drainage from causing soil solidifying, and a water outlet is arranged in the upper end of each well-point pipe 6
Valve 8, flowing water Valve 8 is specially a water sampling valve, by controlling the opening and closing of the flowing water Valve 8, so as to single well point
Pipe 6 carries out refinement management and simultaneously carries out the detection of the water quality sampling at the position, it should be noted that at the beginning of flowing water Valve 8
Beginning state is to open；
(3) as shown in Figure 1, 2,6 upper end of each well-point pipe, one athwartship leg 10 in same row is connected, successively
Each row's well-point pipe 6 is completed with the connection between athwartship leg 10, that is to say, that the quantity of athwartship leg 10 and the row of well-point pipe 6
Number is corresponding；Recharge valve 5, pressure gauge 4 and flowmeter 3 are set gradually in the input terminal of athwartship leg 10, wherein recharge valve
Door 5 is specially three-way valve, can external pressurizing device；And flowing water Valve 8, pressure are set gradually in the output end of athwartship leg 10
Table 4, vacuum pump 7 and flowmeter 3, wherein flowing water Valve 8 is a water sampling valve, can be fetched water at any time in the process of running,
It can be used as shut-off valve, close sealing when carrying out recharge；
(4) as shown in Figure 1, 2, the input terminal of each athwartship leg 10 is finally collected and is connected on water delivery main pipe 9, water delivery is dry
Pipe 9 is connected with backflow device 1, and recharge main valve 2 is being arranged inside, for controlling the on-off of water delivery main pipe 9；In addition, will
The output end of each athwartship leg 10, which finally collects, to be connected on charge for remittance main pipe 12, to pass through charge for remittance main pipe 12 with 13 phase of captation
Connection；
(5) as shown in Figure 1, 2, it is taking out the integrated processing system of filling after the installation is completed, Polluted area is being repaired；
Pumping draining is carried out first, is closed recharge side ducts and (that is, closing recharge main valve 2, is also possible to each cross successively
Recharge valve 5 into branch pipe 10 is closed), while each flowing water Valve 8 of 10 output end of athwartship leg is opened, it utilizes later
Water pump drainage in each well-point pipe 6 and soil layer is carried out sewage treatment into captation 13 by vacuum pump 7；During pump drainage,
Using the pressure and pump drainage water flow in 3 real-time detection pipeline of pressure gauge 4 and flowmeter, and pass through water outlet at processing initial stage
Valve 8 carries out sample detecting to effluent quality, reduces workload, when effluent quality takes a turn for the better, can pass through going out on each well-point pipe 6
Penstock 8 carries out individually fine water sampling and determines next step process range according to monitoring result, carries out needle by valve
Adjusting control to property；
When the output end flowmeter 3 of athwartship leg 10 detects that water outlet water is smaller, 10 output end of athwartship leg is closed
Controlled valve 8, while the recharge valve 5 for opening 10 input terminal of athwartship leg and the recharge main valve 2 on water delivery main pipe 9 lead to
Cross backflow device 1 carried out into each well-point pipe 6 the pressurization recharge of clear water or medicament with enter soil layer in, by recharge valve 5 with
And the control of flowmeter 4 enters the recharge amount of every row, extraction water before recharge amount is greater than or when meeting processing requirement, closes
Recharge main valve 2 stops recharge, reacts the medicament entered in the soil body adequately with pollution water and soil；
After to the reaction time, recharge main valve 2 is remained off, and is again turned on flowing water Valve 8 and vacuum
Pump 7 draws water, and loops back and forth like this, and by 8 periodic monitoring effluent quality of flowing water Valve, meets to all water outlets and repairs requirement
Afterwards；
(6) since contaminated site region is larger and geological conditions has difference, there is a situation where to repair uneven, that is, office
Portion region reaches reparation requirement and regional area not up to repairs the case where requiring, and further discharges into capable repair using point as a result,
Multiple method, for example, as shown in Figure 1, water and soil reaches pollution amelioration requirement and the 7th row in the sphere of action of 1-6 row's well-point pipe 6
Water and soil is not up to pollution amelioration requirement in the sphere of action of well-point pipe 6, then by the recharge at 10 both ends of athwartship leg on 1-6 row
Valve 5 and flowing water Valve 8 are closed, later by the 7th row's well-point pipe 6 according to method described in step (5) to pollution water and soil into
The pollution amelioration processing of the further pump drainage of row and recharge；
Certainly, pollution amelioration requirement is not up to for water and soil in the sphere of action of individual well-point pipes 6 and remaining region reaches
The case where being required to pollution amelioration, the then method repaired using single tube, for example, as shown in Figure 1, 2, opening well point to be repaired
The flowing water Valve 8 of 6 upper end of pipe and the flowing water Valve for closing remaining 6 upper end of well-point pipe, later by well-point pipe 6 to be repaired according to
The pollution amelioration that method described in step (5) carries out further pump drainage and recharge to pollution water and soil is handled, until reaching
Pollution amelioration requirement.
The beneficial effect of the present embodiment is: the gang of wells multichannel connection of pollution water and soil in-situ immobilization, which is taken out, fills integrated treatment side
Method carries out multistage by more circuits and is connected, and constitutes one and takes out filling equipment by the efficient pollution water and soil integration that valve controls,
The workload of a large amount of artificial individual well injections has been saved, it can be achieved that continuous work round the clock, and realize according to effluent quality difference into
The refinement management of row different processing units row or single well-point pipe.
Claims (5)
1. a kind of multichannel for polluting water and soil in-situ immobilization, which is connected to take out, fills integrated processing method, it is characterised in that the processing side
Method includes the following steps: within the scope of contaminated site, lays several row's well-point pipes, one end of each well-point pipe in same row
It is connected with athwartship leg, the input terminal of the athwartship leg has flowing water Valve with recharge valve, output end；It will be each described
The input terminal of athwartship leg is connected with backflow device, output end is connected with captation；When draw water operation when, close
The recharge valve opens the flowing water Valve, starts the captation through the well-point pipe and carries out pump drainage to pollution water and soil
Water；When carrying out recharge operation, opens the recharge valve, closes the flowing water Valve, start the backflow device for clear water
Or medicament enters to pollute in water and soil through the well-point pipe recharge；The upper end of each well-point pipe is also equipped with flowing water Valve, it is described go out
Penstock is water sampling valve；According to the actual repair situation of contaminated site range, on the athwartship leg in corresponding row
It opens the recharge valve, close the flowing water Valve, the well-point pipe in accordingly arranging is made to carry out recharge operation；In remaining row
In the athwartship leg on close the recharge valve, open the flowing water Valve, make remaining arrange in the well-point pipe into
Capable operation of drawing water；According to the actual repair situation of contaminated site range, open in the well-point pipe not up to repaired and required
Flowing water Valve simultaneously closes the flowing water Valve in the well-point pipe that remaining reaches reparation requirement, is repaired by opening and closing described be not up to
The recharge valve and flowing water Valve on the athwartship leg where the well-point pipe required again, to carry out recharge and draw water
Operation.
2. a kind of multichannel for polluting water and soil in-situ immobilization according to claim 1, which is connected to take out, fills integrated processing method,
It is characterized in that being provided with water proof barrier except the contaminated site range.
3. a kind of multichannel for polluting water and soil in-situ immobilization according to claim 1, which is connected to take out, fills integrated processing method,
It is characterized in that the both ends of the athwartship leg are respectively arranged with flowmeter and pressure gauge.
4. a kind of multichannel for polluting water and soil in-situ immobilization according to claim 1, which is connected to take out, fills integrated processing method,
It is characterized in that the input terminal of the athwartship leg is connected through water delivery main pipe with the backflow device, in the water delivery main pipe
Recharge main valve is set.
5. a kind of multichannel for polluting water and soil in-situ immobilization according to claim 1, which is connected to take out, fills integrated processing method,
It is characterized in that having pumping installations in the backflow device, the recharge valve of the athwartship leg input terminal is circumscribed with for one to be added
The three-way valve of pressure device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378362.3A CN106006772B (en) | 2016-06-01 | 2016-06-01 | A kind of integrated processing method of multichannel connection pumping filling for polluting water and soil in-situ immobilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610378362.3A CN106006772B (en) | 2016-06-01 | 2016-06-01 | A kind of integrated processing method of multichannel connection pumping filling for polluting water and soil in-situ immobilization |
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| CN106006772A CN106006772A (en) | 2016-10-12 |
| CN106006772B true CN106006772B (en) | 2019-04-09 |
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| CN106277406B (en) * | 2016-09-19 | 2019-05-21 | 中国环境科学研究院 | Series progressive underground water heavy metal pollution in-situ remediation system and restorative procedure |
| CN109108059A (en) * | 2018-07-31 | 2019-01-01 | 中交天津港湾工程研究院有限公司 | Multiphase for coastal ocean soil pollution control extracts separator and application method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330084A (en) * | 2003-05-07 | 2004-11-25 | Kubota Corp | Method and equipment for contaminated-soil in situ treatment |
| JP2012110813A (en) * | 2010-11-24 | 2012-06-14 | Kajima Corp | Method for cleaning contaminated soil and groundwater region |
| CN104138896A (en) * | 2014-06-25 | 2014-11-12 | 东南大学 | In-situ pumping and injecting restoration device for polluted soil, restoring method and mounting method of restoration device |
-
2016
- 2016-06-01 CN CN201610378362.3A patent/CN106006772B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004330084A (en) * | 2003-05-07 | 2004-11-25 | Kubota Corp | Method and equipment for contaminated-soil in situ treatment |
| JP2012110813A (en) * | 2010-11-24 | 2012-06-14 | Kajima Corp | Method for cleaning contaminated soil and groundwater region |
| CN104138896A (en) * | 2014-06-25 | 2014-11-12 | 东南大学 | In-situ pumping and injecting restoration device for polluted soil, restoring method and mounting method of restoration device |
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Address after: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |